The ratio T3 test. A modification of the T3 resin sponge uptake test.
D004912:Erythrocytes; D006801:Humans; D007475:Ion Exchange Resins; D008722:Methods; D013960:Thyroid Function Tests; D014284:Triiodothyronine / Q000378:metabolism*
D007475:Ion Exchange Resins; D014284:Triiodothyronine